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11. 发明专利

JP2006040469A Method for manufacturing magnetic transfer master carrier, and magnetic transfer master carrier 审中-公开
标题翻译：磁性传输主载波和磁传输主载波的制造方法
公开(公告)号：JP2006040469A
公开(公告)日：2006-02-09
申请号：JP2004221589
申请日：2004-07-29
申请人： Fujitsu Ltd , 富士通株式会社
发明人： KURODA SUMIO , OZAKI KAZUYUKI
IPC分类号： G11B5/86 , G11B5/82 , G11B5/84 , G11B5/858
摘要： PROBLEM TO BE SOLVED: To provide a method suited for manufacturing a magnetic transfer master carrier having a very small magnetic material pattern of small edge roughness, and such a master transfer master carrier.
SOLUTION: The method for manufacturing a magnetic transfer master carrier X1 for writing information in a magnetic recording medium by a magnetic transfer method includes the step of forming a substrate layer 12 for a plating method on a base material 11, the step of forming a resist film on the substrate layer 12, the resist pattern forming step of forming an opening 131 faced by the substrate layer 12 on the resist layer to form a resist pattern 13 having a pattern shape corresponding to information on the substrate layer 12, and the magnetic material pattern forming step of growing a magnetic material on the substrate layer 12 facing the opening 131 by a plating method to form a magnetic material pattern 14 having a pattern shape corresponding to information.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种适用于制造具有小边缘粗糙度的非常小的磁性材料图案的磁转移主载体的方法，以及这种主转印主载体。解决方案：用于制造用于通过磁转移方法在磁记录介质中写信息的磁转移主载架X1的方法包括在基材11上形成用于电镀方法的基板层12的步骤，步骤在基板层12上形成抗蚀剂膜，抗蚀剂图案形成步骤在抗蚀剂层上形成面向基板层12的开口131，以形成具有与基板层12上的信息对应的图案形状的抗蚀剂图案13，以及磁性材料图形形成步骤，通过电镀方法在基板层12上面对开口131生长磁性材料，以形成具有与信息对应的图案形状的磁性材料图案14。版权所有（C）2006，JPO＆NCIPI

12. 发明专利

JP2007273061A Master for magnetic transfer and method of manufacturing perpendicular recording medium 审中-公开
标题翻译：磁性传输主机及制造全能记录介质的方法
公开(公告)号：JP2007273061A
公开(公告)日：2007-10-18
申请号：JP2006100878
申请日：2006-03-31
申请人： Fujitsu Ltd , 富士通株式会社
发明人： KURODA SUMIO , MORIKAWA TAKESHI
IPC分类号： G11B5/86
CPC分类号： G11B5/855 , G11B5/59655 , G11B5/865
摘要： PROBLEM TO BE SOLVED: To provide a master for magnetic transfer with which track density of a perpendicular recording medium can be increased while quality of a reproduced waveform of information recorded in the perpendicular recording medium is improved, and a method of manufacturing the perpendicular recording medium.
SOLUTION: The master 1 for magnetic transfer is provided with: a substrate 2 having ruggedness corresponding to servo information on the surface and constituted of a soft magnetic material; and a ferromagnetic material 3 provided in the recessed part of the substrate 2, having a larger coercive force than that of an external magnetic field reversing a magnetization direction of the perpendicular recording medium, and having magnetization of a direction reverse to the direction of the external magnetic field.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种可以提高垂直记录介质的轨道密度的磁转移主机，同时提高记录在垂直记录介质中的信息的再现波形的质量，以及制造方法垂直记录介质。解决方案：用于磁转移的主机1具有：具有对应于表面上的伺服信息的坚固性的基板2，由软磁材料构成; 以及设置在基板2的凹部中的铁磁材料3，其矫顽力大于反向垂直记录介质的磁化方向的外部磁场的矫顽力，并且具有与外部的方向相反的方向的磁化磁场。版权所有（C）2008，JPO＆INPIT

13. 发明专利

JP2007257733A Eccentricity correction method, signal processing circuit, magnetic storage device, and perpendicular magnetic recording medium 有权
标题翻译：偏差校正方法，信号处理电路，磁存储器件和全息磁记录介质
公开(公告)号：JP2007257733A
公开(公告)日：2007-10-04
申请号：JP2006080580
申请日：2006-03-23
申请人： Fujitsu Ltd , 富士通株式会社
发明人： MARUYAMA TSUGIHITO , KURODA SUMIO
IPC分类号： G11B21/10
CPC分类号： G11B20/10009 , G11B5/59627 , G11B20/1217 , G11B2220/2516
摘要： PROBLEM TO BE SOLVED: To correct eccentricity by reproducing eccentricity correction data recorded by a recoding head from a perpendicular magnetic recording medium where servo information is recorded beforehand by magnetic transfer for applying magnetization in an inner surface direction, regarding an eccentricity correction method, a signal processing circuit, a magnetic storage device, and the perpendicular magnetic recording medium. SOLUTION: Information is reproduced, by a reproduction head, from the perpendicular magnetic recording medium where servo information, eccentricity correction method, and read/write data are recorded, and among the reproduction outputs of the reproduction head, the servo information having a differential waveform is filtered based on nondifferential filter characteristics, and the eccentricity correction data and the read/write data having a rectangular waveform are filtered based on differential filter characteristics. The filtered servo information and the filtered eccentricity corrected data and read/write data are demodulated, the demodulated servo information and eccentricity corrected data are outputted to a servo system for executing a control process, and the demodulated read/write data are outputted to a data processing system. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过从通过磁传递预先记录伺服信息的垂直磁记录介质记录由记录头记录的偏心校正数据来校正偏心度，用于在内表面方向上施加磁化，关于偏心校正方法信号处理电路，磁存储装置和垂直磁记录介质。解决方案：信息由再现头从记录有伺服信息，偏心校正方法和读/写数据的垂直磁记录介质再现，并且在再现头的再现输出中，伺服信息具有基于非微分滤波器特性对差分波形进行滤波，并且基于差分滤波器特性对具有矩形波形的偏心校正数据和读/写数据进行滤波。滤波后的伺服信息和经滤波的偏心校正数据和读/写数据被解调，解调的伺服信息和偏心校正数据被输出到用于执行控制处理的伺服系统，并且解调的读/写数据被输出到数据处理系统。版权所有（C）2008，JPO＆INPIT

14. 发明专利

JP2007226918A Formatting method of magnetic disk and plate used for formatting 有权
标题翻译：用于格式化的磁盘和板的形成方法
公开(公告)号：JP2007226918A
公开(公告)日：2007-09-06
申请号：JP2006049321
申请日：2006-02-24
申请人： Fujitsu Ltd , 富士通株式会社
发明人： MORIBE MINEO , OZAKI KAZUYUKI , KURODA SUMIO
IPC分类号： G11B21/10
摘要： PROBLEM TO BE SOLVED: To easily format a servo pattern composed of a magnetic part and a non-magnetic part. SOLUTION: A plate for formatting provided with a plurality of magnetic films having a shape and arrangement corresponding to a plurality of servo areas is prepared, the plate and a magnetic disk are overlapped so that the magnetic film opposes to the servo area, a magnetic field is applied selectively to the plurality of servo areas in the magnetic disk through the magnetic film in the state, thereby aligning directions of magnetization of the magnetic parts of the plurality of servo areas. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了容易地格式化由磁性部件和非磁性部件组成的伺服模式。解决方案：制备具有多个具有与多个伺服区域相对应的形状和布置的多个磁性膜的格式化板，所述板和磁盘重叠，使得磁性膜与伺服区域相对，在该状态下通过磁性膜选择性地对磁盘中的多个伺服区域施加磁场，从而对准多个伺服区域的磁性部件的磁化方向。版权所有（C）2007，JPO＆INPIT

15. 发明专利

JP2003323772A Magnetic recording apparatus and magnetic recording medium 有权
标题翻译：磁记录装置和磁记录介质
公开(公告)号：JP2003323772A
公开(公告)日：2003-11-14
申请号：JP2002131719
申请日：2002-05-07
申请人： Fujitsu Ltd , 富士通株式会社
发明人： KURODA SUMIO , OZAKI KAZUYUKI
IPC分类号： G11B21/10 , G11B5/596
CPC分类号： G11B5/59605 , G11B5/59688
摘要： PROBLEM TO BE SOLVED: To set up a servo pattern detecting a frequency on a magnetic disk to make tracking of the magnetic disk having an eccentric center accurate, and to lower the occupancy of the servo pattern in a magnetic recording apparatus. SOLUTION: The magnetic recording apparatus is constituted of a magnetic head, a magnetic recording medium having the servo pattern for adjusting position of the magnetic head, a frequency detection part detecting a frequency corresponding to the positions in a radial direction of a track of the magnetic recording medium based on a reproduced signal obtained by the magnetic head in reading the servo pattern, a storage part storing a prescribed frequency information corresponding to respective track positions of the magnetic recording medium, and a tracking part comparing the frequency detected by the frequency detection part and the frequency information corresponding to the same track stored in the storage part and generates a magnetic head position adjusting signal based on the difference of the frequency. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：设置检测磁盘上的频率的伺服模式，以使具有偏心中心的磁盘的跟踪精确，并降低磁记录装置中伺服模式的占用。解决方案：磁记录装置由磁头，具有用于调节磁头位置的伺服模式的磁记录介质构成，频率检测部分检测对应于轨迹径向位置的频率基于在磁头读取伺服模式时获得的再现信号的磁记录介质的存储部分，存储对应于磁记录介质的各个磁道位置的规定频率信息的存储部分，以及跟踪部分，频率检测部分和对应于存储在存储部分中的相同轨道的频率信息，并且基于频率的差异产生磁头位置调整信号。版权所有（C）2004，JPO

16. 发明专利

JP2009238300A Master substrate, magnetic disk medium, and magnetic disk device 审中-公开
标题翻译：主基板，磁盘介质和磁性磁盘装置
公开(公告)号：JP2009238300A
公开(公告)日：2009-10-15
申请号：JP2008082264
申请日：2008-03-27
申请人： Fujitsu Ltd , 富士通株式会社
发明人： NAKAMURA YUTAKA , KURODA SUMIO
IPC分类号： G11B5/86 , G11B21/10
摘要： PROBLEM TO BE SOLVED: To reduce time and cost for manufacturing of a master substrate required for magnetically transferring a servo mark to a magnetic disk.
SOLUTION: When magnetic disks 12A to 12C to and from which recording and reproducing are performed by a magnetic head 19 having an arc-shaped moving locus are manufactured, a servo pattern Ach for forming a servo mark for front surfaces of the magnetic disks 12A to 12C and a servo pattern Bch for forming a servo mark for rear surfaces are provided on a surface (a magnetic transfer surface) of the master substrate to closely adhere to the magnetic disks 12A to 12C so that the servo patterns do not cross each other. Thereby, the servo marks adaptable to both of the front and the rear surfaces of the magnetic disks 12A to 12C can be magnetically transferred by preparing the only one master disk.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了减少用于将伺服标记磁转移到磁盘所需的主基板的制造的时间和成本。解决方案：当通过具有弧形运动轨迹的磁头19进行记录和再现的磁盘12A至12C时，形成用于形成磁性表面的伺服标记的伺服模式Ach 在主基板的表面（磁转印面）上设置盘12A〜12C和用于形成后表面的伺服标记的伺服图案Bch，以紧密附着到磁盘12A至12C，使得伺服图案不交叉彼此。由此，可以通过仅准备一个母盘来磁性地转移适合于磁盘12A至12C的前表面和后表面的伺服标记。版权所有（C）2010，JPO＆INPIT

17. 发明专利

JP2008287866A Master carrier for magnetic transfer and magnetic recording medium formatting method 有权
标题翻译：用于磁性传输和磁记录介质格式化方法的主载波
公开(公告)号：JP2008287866A
公开(公告)日：2008-11-27
申请号：JP2008162854
申请日：2008-06-23
申请人： Fujitsu Ltd , 富士通株式会社
发明人： KURODA SUMIO , OZAKI KAZUYUKI
IPC分类号： G11B5/86 , G11B5/84
摘要： PROBLEM TO BE SOLVED: To provide a master carrier etc. for magnetic transfer, which is suitable for manufacturing a perpendicular magnetic recording medium having a weak non-signal magnetic field acting on a read head element upon playback. SOLUTION: The master carrier for magnetic transfer includes: a servo zone corresponding part 30A for writing servo information by a magnetic transfer process in the magnetic recording medium equipped with a recording magnetic layer having perpendicular magnetic anisotropy; and a user data zone corresponding part 30B, and the master carrier for magnetic transfer is equipped with: a light transmissible base material 31 having a first surface 31A expanding over the corresponding parts 30A and 30B and having projecting patterns corresponding to servo information in the corresponding part 30A and a second surface 31B opposite from the first surface 31A; and a magnetic material layer 33 provided extending over the corresponding parts 30A and 30B on the first surface 31A side of the light transmissible base material 31 and having projecting patterns corresponding to servo information in the corresponding part 30A. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供用于磁转移的主载体等，其适用于制造在重放时作用于读头元件的弱非信号磁场的垂直磁记录介质。解决方案：用于磁转移的主载体包括：伺服区对应部分30A，用于通过磁转移处理在配备有具有垂直磁各向异性的记录磁性层的磁记录介质中写入伺服信息; 和用户数据区对应部分30B，并且用于磁转移的主载波配备有：透光基材31，其具有在相应部分30A和30B上扩展的第一表面31A，并且具有对应于相应部分中的伺服信息的突出图案部分30A和与第一表面31A相对的第二表面31B; 以及磁性材料层33，其在透光性基材31的第一面31A侧的相应部分30A和30B上延伸并且具有与相应部分30A中的伺服信息相对应的突出图案。版权所有（C）2009，JPO＆INPIT

18. 发明专利

JP2008243322A Method for generating patterned media clock, patterned media, and information recording/reproducing system 审中-公开
标题翻译：生成图形媒体时钟，图形媒体和信息记录/再现系统的方法
公开(公告)号：JP2008243322A
公开(公告)日：2008-10-09
申请号：JP2007084697
申请日：2007-03-28
申请人： Fujitsu Ltd , 富士通株式会社
发明人： KURODA SUMIO
IPC分类号： G11B20/10 , G11B5/09 , G11B5/65 , G11B5/82
CPC分类号： G11B5/59688 , B82Y10/00 , G11B5/59627 , G11B5/743
摘要： PROBLEM TO BE SOLVED: To generate a recording/reproducing clock for a pattern recorded in a data area without degrading a format efficiency of a patterned media as much as possible regarding a method for generating a patterned media clock, patterned media, and information recording/reproducing system.
SOLUTION: The patterned media 1 which sets recorded bits 8 made by intervals of a single pattern for every zone 2 in the circumferential direction is mounted on a drive to measure the degree of eccentricity of the patterned media 1 by a servo signal and increase and decrease frequency of the clock for recording/reproducing based on the measured degree of eccentricity.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了生成记录在数据区域中的图案的记录/再现时钟，尽可能地不降低图案化介质的格式效率，关于生成图案化媒体时钟，图案化介质和信息记录/再现系统。解决方案：将围绕圆周方向的每个区域2以单个图案的间隔设置的记录位8的图案化介质1安装在驱动器上，以通过伺服信号测量图案化介质1的偏心度，基于测量的偏心度增加和减少用于记录/再现的时钟的频率。版权所有（C）2009，JPO＆INPIT

19. 发明专利

JP2007200499A Medium for demagnetization mask, perpendicular medium magnetic transfer/demagnetization method, vertical recording medium, and, magnetic disk device 有权
标题翻译：用于脱模掩模的介质，中性磁介质转移/去磁方法，垂直记录介质和磁性磁体装置
公开(公告)号：JP2007200499A
公开(公告)日：2007-08-09
申请号：JP2006020064
申请日：2006-01-30
申请人： Fujitsu Ltd , 富士通株式会社
发明人： SUZUKI HIROYUKI , MARUYAMA TSUGIHITO , KURODA SUMIO , NAKAMURA YUTAKA
IPC分类号： G11B5/86 , G11B21/10
摘要： PROBLEM TO BE SOLVED: To collectively demagnetize data areas between servo pattern transfer sections with a simple configuration with respect to a medium for the demagnetization mask, a perpendicular medium magnetic transfer/demagnetization method, a vertical recording medium and a magnetic disk device. SOLUTION: After transferring a servo pattern in direction perpendicular to the medium surface of a vertical recording medium 1 by impressing a magnetic field in a closely contacted state of a vertical recording medium 1 and the mask medium in which the servo information is patterned in advance, in the state where position adjustment for a mask part 4 of a medium 3 for the demagnetization mask and the transfer pattern part are performed, and made closely contacted or adjacent, the magnetization in the vertical direction in the data part in the vertical recording medium 1 is demagnetized. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：相对于用于去磁掩模的介质的简单配置，垂直介质磁转移/去磁方法，垂直记录介质和磁盘装置，对伺服图案转印部之间的数据区域进行集中消磁。解决方案：通过在垂直记录介质1的紧密接触状态下施加磁场和将伺服信息图案化的掩模介质施加垂直于垂直记录介质1的介质表面的方向传送伺服图案之后在执行用于去磁掩模和转印图案部分的介质3的掩模部分4的位置调整并使其紧密接触或相邻的状态下，垂直方向上的数据部分中的垂直方向的磁化记录介质1被去磁。版权所有（C）2007，JPO＆INPIT

20. 发明专利

JP2005317152A Magnetic transfer master carrier, and method for formatting magnetic recording medium 有权
标题翻译：磁性传输主载体，以及用于形成磁记录介质的方法
公开(公告)号：JP2005317152A
公开(公告)日：2005-11-10
申请号：JP2004135797
申请日：2004-04-30
申请人： Fujitsu Ltd , 富士通株式会社
发明人： KURODA SUMIO , OZAKI KAZUYUKI
IPC分类号： G11B5/66 , G11B5/738 , G11B5/82 , G11B5/86
CPC分类号： G11B5/865
摘要： PROBLEM TO BE SOLVED: To provide a magnetic transfer master carrier and a method for formatting a magnetic recording medium which are suitable for manufacturing a vertical magnetic recording medium where a non-signal magnetic field acting on a read head element during reproduction is weak. SOLUTION: The magnetic transfer master carrier X1 is provided with a servo zone corresponding part 10A having magnetic material patterns 12 for recording servo information in the recording magnetic layer of the vertical magnetic recording medium, and a user data zone corresponding part 10B having a magnetic material patterns 13 for forming dummy signal in the magnetic recording layer. The method for formatting the magnetic recording medium formats the vertical magnetic recording medium by utilizing a magnetic transfer method carried out using the master carrier X1, for example. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种磁转移主载体和用于格式化磁记录介质的方法，该磁记录介质适用于制造垂直磁记录介质，其中在再现期间作用在读头元件上的非信号磁场是弱。解决方案：磁转移主载架X1设置有具有磁性材料图案12的伺服区对应部分10A，用于在垂直磁记录介质的记录磁层中记录伺服信息，以及用户数据区对应部分10B具有用于在磁记录层中形成虚拟信号的磁性材料图案13。用于格式化磁记录介质的方法通过利用例如使用主载体X1执行的磁转移方式来形成垂直磁记录介质。版权所有（C）2006，JPO＆NCIPI

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